The Boeing 747-400, introduced in the late 1980s, represented a significant evolution of the iconic 747, featuring improved aerodynamics, advanced avionics, and substantially improved fuel efficiency.

Just as with the automotive industry, there are a variety of aircraft engines designed to run on various types of fuels. Even electric planes are something we're likely to see more of in the future.

Sticking with an engines theme, this week’s Flight Friday looks at aircraft “ground days” (a 24-hour period where an aircraft did not complete a flight for any reason, be it maintenance, ...

How chevrons worked with the setting and technologies of the 2000s, but haven't worked since and might not work in the future.